Remove RenderViewHost parameter from WebContentsObserver::Did{Start|Stop}Loading.

chrome/browser/captive_portal/captive_portal_tab_helper.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/captive_portal/captive_portal_tab_helper.h"
 
 #include "base/bind.h"
 #include "chrome/browser/captive_portal/captive_portal_login_detector.h"
 #include "chrome/browser/captive_portal/captive_portal_service_factory.h"
 #include "chrome/browser/captive_portal/captive_portal_tab_reloader.h"
@@ skipping 128 matching lines @@
   // Aborts generally aren't followed by loading an error page, so go ahead and
   // reset the state now, to prevent any captive portal checks from triggering.
   if (error_code == net::ERR_ABORTED) {
     OnLoadAborted();
     return;
   }
 
   pending_error_code_ = error_code;
 }
 
-void CaptivePortalTabHelper::DidStopLoading(
-    content::RenderViewHost* render_view_host) {
+void CaptivePortalTabHelper::DidStopLoading() {
   DCHECK(CalledOnValidThread());
 
   login_detector_->OnStoppedLoading();
 }
 
 void CaptivePortalTabHelper::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   DCHECK(CalledOnValidThread());
@@ skipping 104 matching lines @@
 }
 
 void CaptivePortalTabHelper::SetTabReloaderForTest(
     CaptivePortalTabReloader* tab_reloader) {
   tab_reloader_.reset(tab_reloader);
 }
 
 CaptivePortalTabReloader* CaptivePortalTabHelper::GetTabReloaderForTest() {
   return tab_reloader_.get();
 }